code: def shader_map(self):
      return self._inverse.shader_imap
  
imports: from __future__ import division
  from ..shaders import Function
  from ...util.event import EventEmitter
  from .chain import ChainTransform
label_desc: Use image node_id 6 for calling the InverseTransform obj's underlying member method code with example usage: obj.shader_map() and returns: self